Docs: Settings

Swift Dashboard is your Personal cockpit, where you have an overview of all important features and statistics. Swift is using more aggressive optimization/preload functions than any other plugin on the market. That makes it better and faster and above that, it´s the only cache plugin which giving us...

General
Purchase Key - Optionally you can set your purchase key, after this you will be able to update the plugin from WordPress admin, and you will be able to use the Pro features, such as Unlimited Image Optimizer, Critical Fonts and Whitelabel. You can find your purchase key in the purchase con...

Images
This feature is available only in Pro version.
Optimize Images on Upload - Enable this if you would like to optimize the images during the upload using the our Image Optimization API service. Increase your website’s SEO ranking, number of visitors and ultimately your sales by optimizing a...

General
Merge Assets for Logged in Users - Enable if you would like to merge styles and scripts for logged in users as well..It is recommended to enable this option only if the site is using action based cache or the cache is cleared very rarely. Otherwise it will optimize for logged in users in re...

General
Enable Caching - Enabled by default. Swift integrates more than 75% of web performance good practices automatically. Even without any of its options activated, the loading time of your website will decrease significantly. Run an enable/disable test with Swift’s default Auto Wizard configur...

Plugins
These features are only visible if one of these plugins is installed and activated on your site. This feature is available only in Pro version.
Contactform 7
Smart Enqueue Assets - Load Contact Form 7 CSS and JS only, if current page contains a contact form. All good WordPress plugins are...

CDN
Enable CDN - Enable this feature if you have a CDN. To minimize the distance between the visitors and your website’s server, a CDN stores a cached version of its content in multiple geographical locations. In essence, CDN puts your content in many places at once, providing superior coverage to ...

If you enable this option you can specify cacheable $_GET and $_POST requests.
Swift Performance does not cache pages with query strings by default, although there are some very specific exceptions.
A query string is where you have a URL that contains a question mark followed by a parameter an...

Swift Performance can generate the Critical CSS (or Critical Path) on the fly for every page.
You can use this feature by going to Settings->Optimizations->Styles: Generate Critical CSS. If you would like to add some custom CSS rules to Critical CSS you can add them in Extra Critical C...

Swift's warmup table is a unique feature. Unlike other cache plugins, Swift shows exactly which URLs are found, (pre)build and cached.
Swift is using more aggressive optimization/preload functions than any other plugin on the market. That makes it better and faster, but sometimes it means tha...